The O-Ring, cataloged under National Stock Number 5331-00-291-3276, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-291-3276 |
| Primary Part Number | MS29513-266 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 8.209 INCHES MINIMUM AND 8.315 INCHES MAXIMUM IN |
| Center Hole Diameter | 7.954 INCHES MINIMUM AND 8.014 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10V60-141-266 | Houghton International Inc. (USA) |
| MS29513-266 PRIMARY | Sae International Dba Sae International (USA) |
| 60-P-31-266 | West American Rubber Co Extrude Products Div (USA) |
| PRP568-266-457-60 | Parco, Llc (USA) |
| 805-2223301/36 | Fincantieri S.p.a. Div Direzione Navi Militari (ITA) |
| 7866-266 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| C-69-266 | Federal-Mogul Corp Government Sales Dept (USA) |
| 457-60-266 | Parco, Llc (USA) |
| PX1775-266 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| Reference | Meaning |
|---|---|
| GS570EM266 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| RT253-65-266 | 5/9 Secondary reference Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| 1793-266 | 5/2 Secondary reference U.S. Government activity |
| 266 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MS29513-266 | 5/9 Secondary reference U.S. Government activity |
| 266-C-69 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2-266 N602-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 725-70-266 | 5/2 Secondary reference U.S. Government activity |
| ASC1497789 | 5/9 Secondary reference Asc Pty Ltd |
| SR-822A-60-266 | 5/2 Secondary reference U.S. Government activity |
| 2-266 N602-70 | 5/9 Secondary reference Dolly Mfg Corp |
| 266-C-69 | C/1 Advisory reference — outside the item-of-supply concept Federal-Mogul Corp Chassis Products Div |
| SAE-AS29513 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS29513-266 | 3/9 Design control — primary reference U.S. Government activity |
| 2-266 N602-70 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 5331PL1372980 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-00-291-3276 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-291-3276 has 9 manufacturer part numbers on file: 10V60-141-266 (Houghton International Inc.), MS29513-266 (Sae International Dba Sae International), 60-P-31-266 (West American Rubber Co Extrude Products Div), PRP568-266-457-60 (Parco, Llc), 805-2223301/36 (Fincantieri S.p.a. Div Direzione Navi Militari) and 4 more.
Key specifications for MS29513-266: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 8.209 INCHES MINIMUM AND 8.315 INCHES MAXIMUM IN; Center Hole Diameter: 7.954 INCHES MINIMUM AND 8.014 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.